The Maryland highway system has several hundred former state highways. These highways were constructed, maintained, or funded by the Maryland State Roads...

(200–399) List of former Maryland state highways (400–499) List of former Maryland state highways (500–599) List of former Maryland state highways (600–699) List...

Maryland has an extensive system of state highways, exclusive of the national Interstate and U.S. highway systems, that serves all 23 counties and the...

The Maryland highway system has several hundred former state highways. These highways were constructed, maintained, or funded by the Maryland State Roads...

The Maryland highway system has several hundred former state highways. These highways were constructed, maintained, or funded by the Maryland State Roads...

The Maryland highway system has several hundred former state highways. These highways were constructed, maintained, or funded by the Maryland State Roads...

The Maryland highway system has several hundred former state highways. These highways were constructed, maintained, or funded by the Maryland State Roads...

The Maryland highway system has several hundred former state highways. These highways were constructed, maintained, or funded by the Maryland State Roads...

is a list of state highways in Maryland shorter than one mile (1.6 km) in length with route numbers between 900 and 999. Most of these highways act as...

is a list of state highways in Maryland shorter than one mile (1.6 km) in length with route numbers between 800 and 899. Most of these highways act as...

Development (La DOTD) in the U.S. state of Louisiana. LA 3145: unbuilt Ivanhoe–Jeanerette highway (1970s) List of state highways in Louisiana (pre-1955) United...

is a list of all State Routes that have existed in the U.S. state of Nevada since July 1, 1976. All active state-numbered highways in this list are maintained...

Rico Highway 404 Texas: Texas State Highway Loop 404 Farm to Market Road 404 (former) Virginia State Route 404 This article includes a list of roads...

Virginia State Route 66 (former) West Virginia Route 66 Wisconsin Highway 66 A66 (disambiguation) This article includes a list of roads, streets, highways, or...

Highway 444 Maryland Route 444 Montana Secondary Highway 444 Nevada State Route 444 New Jersey Route 444 (unsigned designation for the Garden State Parkway)...

Route 414 (unsigned designation for former proposed Interstate 420 Louisiana Highway 414 Maryland Route 414 New York State Route 414 Oregon Route 414 Pennsylvania...

Puerto Rico Highway 416 Tennessee State Route 416 Texas State Highway Loop 416 (former) This article includes a list of roads, streets, highways, or other...

Florida State Road 417 Georgia State Route 417 (unsigned designation for Interstate 575) Maryland Route 417 (former) New York: New York State Route 417...

(former) Washington State Route 410 Wyoming Highway 410 This article includes a list of roads, streets, highways, or other routes that are associated with...

Puerto Rico Highway 409 Virginia State Route 409 (former) Washington State Route 409 This article includes a list of roads, streets, highways, or other...

Virginia State Route 402 Virginia State Route 402 (former) This article includes a list of roads, streets, highways, or other routes that are associated...

Utah State Route 222 Virginia State Route 222 Wyoming Highway 222 This article includes a list of roads, streets, highways, or other routes that are associated...

For roads numbered N1, see list of N1 roads. For roads numbered S1, see List of highways numbered S1. AH1 Asian Highway 1, an international route from...

following highways are numbered 454: Japan National Route 454 Louisiana Highway 454 Maryland Route 454 Mississippi Highway 454 Montana Secondary Highway 454...

(former) New York State Route 428 (former) Pennsylvania Route 428 Puerto Rico Highway 428 This article includes a list of roads, streets, highways, or...

Florida: Florida State Road 418 Florida State Road 418 (former) Louisiana Highway 418 Maryland Route 418 New Mexico State Road 418 New York State Route 418 Pennsylvania...

Florida State Road 491 (former) Maryland Route 491 Pennsylvania Route 491 Puerto Rico Highway 491 This article includes a list of roads, streets, highways, or...

Georgia State Route 422 (unsigned designation for Georgia State Route 10 Loop) Louisiana Highway 422 Maryland Route 422 New York State Route 422 (former) Oregon...

New York State Route 495 Puerto Rico Highway 495 Texas: Texas State Highway 495 Farm to Market Road 495 (former) This article includes a list of roads,...

following highways are numbered 998: Louisiana Highway 998 MD 998, Maryland Pennsylvania Route 998 (former) Puerto Rico Highway 998 (former) Florida State Road...